How do you round to the nearest cent

Mathematics

1 answer:

Allisa [31]4 years ago

3 0

See the explanation

<h2>Explanation:</h2>

Rounding to the nearest cent is the same as rounding to the nearest hundredth. In order to round this way, you must use the thousandths place so that you can know whether hundredths place rounds up or stays the same.

So the rules is as follows:

If the thousandths place is 5 or above, we add 1 to the digit of the hundredths place.

For example:

0.64<u>8</u>3

4: It's in the hundredths place

<u>8</u>: It's in the thousandths place

8 is greater than 5, so we round it as:

0.65

If the thousandths place 4 or below, the digit in the hundredths place stays the same.

18.9<u>2</u>3569

9: It's in the hundredths place

<u>2</u>: It's in the thousandths place

2 is less than 5, so we round it as:

18.92

<h2>Learn more:</h2>

Rounding to tens place: brainly.com/question/109166

#LearnWithBrainly

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Afina-wow [57]

Answer: (a) $14.5\%$

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Step-by-step explanation:

Confidence interval for population proportion is given by :-

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

Given: Significance level : $\alpha: 1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

For Restaurant A , The proportion of orders not accurate : $p=\dfrac{55}{295}\approx0.19$

Then , the Confidence interval for population proportion will be :-

$0.19\pm (1.96)\sqrt{\dfrac{0.19(1-0.19)}{295}}\\\\=0.19\pm0.045=(0.145,0.235)=(14.5\%,23.5\%)\\\\\text{i.e.}14.5\%$

Also, 95% confidence interval for the percentage of orders that are not accurate at Restaurant B: $0.138$

By comparing both the lower confidence limit and upper confidence limit of the interval for Restaurant B is lower than the lower confidence limit of t and the upper confidence limit of the interval for Restaurant A.

Therefore, Restaurant B has a significantly lower percentage of orders that are not accurate.

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3 years ago

Luke drives 16 miles from his house to reach a restaurant. Just as he reaches the restaurant, he realizes that he forgot his wal

Dmitrij [34]

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